* Copyright (c) 2008 Baptiste Coudurier <baptiste.coudurier@free.fr>
* Copyright (c) 2009 Alex Converse <alex.converse@gmail.com>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
return 0;
}
-const int ff_mpeg4audio_sample_rates[16] = {
+const int avpriv_mpeg4audio_sample_rates[16] = {
96000, 88200, 64000, 48000, 44100, 32000,
24000, 22050, 16000, 12000, 11025, 8000, 7350
};
{
*index = get_bits(gb, 4);
return *index == 0x0f ? get_bits(gb, 24) :
- ff_mpeg4audio_sample_rates[*index];
+ avpriv_mpeg4audio_sample_rates[*index];
}
-int ff_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int buf_size)
+int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf,
+ int bit_size, int sync_extension)
{
GetBitContext gb;
int specific_config_bitindex;
- init_get_bits(&gb, buf, buf_size*8);
+ init_get_bits(&gb, buf, bit_size);
c->object_type = get_object_type(&gb);
c->sample_rate = get_sample_rate(&gb, &c->sampling_index);
c->chan_config = get_bits(&gb, 4);
return -1;
}
- if (c->ext_object_type != AOT_SBR) {
+ if (c->ext_object_type != AOT_SBR && sync_extension) {
while (get_bits_left(&gb) > 15) {
if (show_bits(&gb, 11) == 0x2b7) { // sync extension
get_bits(&gb, 11);
get_bits1(&gb); // skip 1 bit
}
}
+
+ //PS requires SBR
+ if (!c->sbr)
+ c->ps = 0;
+ //Limit implicit PS to the HE-AACv2 Profile
+ if ((c->ps == -1 && c->object_type != AOT_AAC_LC) || c->channels & ~0x01)
+ c->ps = 0;
+
return specific_config_bitindex;
}
return el;
}
-int ff_copy_pce_data(PutBitContext *pb, GetBitContext *gb)
+int avpriv_copy_pce_data(PutBitContext *pb, GetBitContext *gb)
{
int five_bit_ch, four_bit_ch, comment_size, bits;
int offset = put_bits_count(pb);
copy_bits(pb, gb, 16);
if (bits)
copy_bits(pb, gb, bits);
- align_put_bits(pb);
+ avpriv_align_put_bits(pb);
align_get_bits(gb);
comment_size = copy_bits(pb, gb, 8);
for (; comment_size > 0; comment_size--)